Converting to CRM 2011 JavaScript: Setting Requirement Levels

In addition to showing and hiding fields in CRM 4.0, an additional technique many of us used was to change the requirement level of a field based on the value of another field. Again, this was an unsupported customization but very, very common.

Setting the Requirement Level ( CRM 4.0 )

In my research, I have found several techniques to set the requirement level: